2. 外语
  3. Salt, shells or metals are still used as money in out-of-the-way parts of the world today. Salt may seem rather a strange【C1】___

Salt, shells or metals are still used as money in out-of-the-way parts of the world today. Salt may seem rather a strange【C1】___

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问题     Salt, shells or metals are still used as money in out-of-the-way parts of the world today. Salt may seem rather a strange【C1】______to use as money, 【C2】______in countries where the food of the people is mainly vegetable, it is often an【C3】______necessity. Cakes of salt, stamped to show their【C4】______, were used as money in some countries until recent【C5】______, and cakes of salt【C6】______buy goods in Borneo and parts of Africa.
    Sea shells【C7】______as money at some time【C8】______another over the greater part of the Old World. These were【C9】______mainly from the beaches of the Maldives Islands in the Indian Ocean, and were traded to India and China. In Africa, shells were traded right across the【C10】______from East to West.
    Metal, valued by weight, 【C11】______coins in many parts of the world. Iron, in lumps, bars or rings, is still used in many countries【C12】______paper money. It can either be exchanged【C13】______goods, or made into tools, weapons, or ornaments. The early money of China, apart from shells, was of bronze, 【C14】______in flat, round pieces with a hole in the middle, called "cash". The【C15】______of these are between three thousand and four thousand years old — older than the earliest coins of the eastern Mediterranean.
    Nowadays, coins and notes have【C16】______nearly all the more picturesque【C17】______of money , and【C18】______in one or two of the more remote countries people still keep it for future use on ceremonial【C19】______such as weddings and funerals, examples of【C20】______money will soon be found only in museum.
【C7】
选项 A、had been used
B、are used
C、would be used
D、would have been used
答案A
解析 语法题。本段主要讲贝壳货币，主导时态为过去时，根据上下文，此句与段落的其他部分没有时态上的变化，因此，只能选取过去时态，而选项中只有had been used符合要求，其意为“在旧大陆的大部分地区贝壳曾一度被当作货币使用”。are used表示现在，would be used表示过去将来，would have been used表示过去将来完成，均不符题意。
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